1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03, c++11, c++14
11
12 // <optional>
13
14 // class bad_optional_access is default constructible
15
16 #include <optional>
17 #include <type_traits>
18
main()19 int main()
20 {
21 using std::bad_optional_access;
22 bad_optional_access ex;
23 }
24